Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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A cubic yard of air weighs about 2 pounds at sea level.
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The sun is 330,330 times larger than the earth.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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